/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.util;



/** Thrown when a value appears to have been mutated, but that mutation is forbidden. */

public class IllegalMutationException extends RuntimeException {

  private Object savedValue;

  private Object newValue;



  public IllegalMutationException(String message, Object savedValue, Object newValue) {

    super(message);

    this.savedValue = savedValue;

    this.newValue = newValue;

  }



  public IllegalMutationException(

      String message, Object savedValue, Object newValue, Throwable cause) {

    super(message, cause);

    this.savedValue = savedValue;

    this.newValue = newValue;

  }



  /** The original value, before the illegal mutation. */

  public Object getSavedValue() {

    return savedValue;

  }



  /** The value after the illegal mutation. */

  public Object getNewValue() {

    return newValue;

  }

}